package JMU1.ti2;

import java.util.Scanner;

/**
 * @author Lenovo
 */
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while(scanner.hasNext()){
            int a= scanner.nextInt();
            int b= scanner.nextInt();
            if(Math.abs(a)>1000){
                System.out.println("|a|>1000");
            }
            else {
                System.out.println(a+b);
            }
        }
        scanner.close();
    }
}
